64x64 RGB LED Matrix Panel - SmartMatrix and Teensy 3.6 - YouTube
64X64 RGB LED Matrix-2.5mm Pitch-1-32 Scan
DEBO LED MATRIX1: Developer boards - LED matrix, 64 x 64 RGB pixels at reichelt elektronik
Full Color Hd Indoor P2 Rgb Led Matrix Module 128x128mm 64x64 Pixel P1.875 P2 P2.5 P3 P4 P5 P6 P3.91 P4.81 Display - Led Display - AliExpress
RGB Full Color LED Matrix Panel 64x64 Pixels, 4096 Individual RGB LEDs,Adjustable Brightness,3mm Pitch, Displaying Text Colorful Image Animation Chainable Design Compatible with Arduino/Raspberry Pi